What color is #645B49?

#645B49 is a dark, grayish orange, closest to the named color Ivy Topiary. It belongs to the gray family of colors.

What is the RGB value of #645B49?

The RGB value is 100, 91, 73: 100 red, 91 green and 73 blue on a 0 to 255 scale.

What is the complementary color of #645B49?

The complementary color is #495264, found by rotating the hue 180° on the color wheel.

Is black or white text better on #645B49?

White text. Black text has a contrast ratio of 3.13:1 and white text 6.7:1. WCAG asks for at least 4.5:1 for normal text.

#645B49 color

#645B49 rgb(100, 91, 73)

Shades of gray

The hex color #645B49 is a dark, grayish orange.

In the RGB color model it is made of 39.2% red, 35.7% green and 28.6% blue (100, 91, 73).

Its hue angle is 40°, with 16% saturation and 34% lightness. For print, the CMYK equivalent is 0% cyan, 9% magenta, 27% yellow and 61% black.

The closest named color is Ivy Topiary (#67614F), a difference of 2.6 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.7:1).

#645B49 color codes

HEX	`#645B49`
RGB	`rgb(100, 91, 73)`
RGB percent	`rgb(39.2%, 35.7%, 28.6%)`
HSL	`hsl(40, 16%, 34%)`
HSV / HSB	`hsv(40, 27%, 39%)`
CMYK	`cmyk(0%, 9%, 27%, 61%)`
CIE LAB	`lab(39.02, 0.43, 11.72)`
CIE LCH	`lch(39.02, 11.73, 87.91)`
CIE XYZ	`xyz(10.199, 10.673, 7.825)`
Decimal	`6576969`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #645B49, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #645B49	Ratio	AA	AAA	AA large
Sample text	3.13:1	Fail	Fail	Pass
Sample text	6.7:1	Pass	Fail	Pass

#645B49 as text on	Ratio	AA	AAA	AA large
Sample text	6.7:1	Pass	Fail	Pass
Sample text	3.13:1	Fail	Fail	Pass

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #645B49 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645b49; }
.text { color: #645b49; }
.border { border: 2px solid #645b49; }
.transparent { background-color: rgb(100 91 73 / 50%); }
.gradient { background: linear-gradient(to right, #645b49, #606449); }

Background

Text color

Border

Similar colors

Closest common color name: Umber.

Questions

What color is #645B49?: #645B49 is a dark, grayish orange, closest to the named color Ivy Topiary. It belongs to the gray family of colors.
What is the RGB value of #645B49?: The RGB value is 100, 91, 73: 100 red, 91 green and 73 blue on a 0 to 255 scale.
What is the complementary color of #645B49?: The complementary color is #495264, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645B49?: White text. Black text has a contrast ratio of 3.13:1 and white text 6.7:1. WCAG asks for at least 4.5:1 for normal text.